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    • 1. 发明授权
    • Method and a device for controlling and powering a smoke generator
    • US11098984B2
    • 2021-08-24
    • US16347221
    • 2017-10-31
    • Verisure Sàrl
    • Jon Noble Echeverria
    • G08B15/02F41H9/06
    • A smoke generator and driver circuit (46) for controlling and powering a smoke generating canister (38), said driver circuit (46) comprising a power output connected to said smoke generating canister (38) for activation thereof. It comprises a charging unit (50) providing after a charging process sufficient power for igniting and driving said smoke generating canister (38), a switching unit (52) connected to said charging unit (50) and to a first pole (56) of said smoke generating canister (38) for releasing power from said charging unit (50) to said smoke generating canister (38), and a connecting unit (54) connected to a second pole (58) of said smoke generating canister (38) for allowing power to flow through said smoke generating canister (38), wherein activation of both said connecting unit (54) and said switching unit (52) during an overlapping time period is required for activation of said smoke generating canister (38). A method comprises applying a charging signal a charging input of the driver circuit (46), applying a control signal to a connect input of said driver circuit (46), and applying a trigger signal at a trigger input of switching unit (52).
    • 7. 发明申请
    • A SECURITY MONITORING SYSTEM
    • WO2021064029A1
    • 2021-04-08
    • PCT/EP2020/077380
    • 2020-09-30
    • VERISURE SÀRL
    • IGLESIAS, Angel Francisco PiornoECHEVERRIA, Jon Noble
    • G08B25/00G08B25/08G08B13/08
    • A security monitoring system (100) for a building (110) or a secured space within a building, the system including: a central unit (140) for controlling, arming and disarming the security monitoring system, and having a radio frequency transceiver; a door sensor (130) to detect the opening of a door giving access to the building or the secured space; a disarm node (270) for disarming the system, the node having a user interface to receive a user input to disarm the system, and a radio frequency transmitter to transmit, in consequence of the user input, a disarm signal to the central unit; and a portable authentication device to permit hands-free disarming of the security monitoring system, the portable authentication device including a radio transceiver and having a portable authentication device identity that is registered with the central unit; the central unit being configured: in response to receiving a door opening indication/message from the door sensor, to: start an entry period timer; transmit a wake up message, including a disarm transmission identifier, to the disarm node to cause the RF transmitter of the disarm node to transmit a wake up signal/beacon, including the disarm transmission identifier received from the central unit, to wake the portable authentication device; and in response to receiving, before expiry of the entry period timer, a radio frequency disarm signal from the portable authentication device that includes the registered portable authentication device identity and the disarm transmission identifier, to disarm the security monitoring system; and in the event that the security monitoring system is not disarmed before expiry of the entry period, to cause the security monitoring system to enter an alarm state; wherein, additionally either: the central unit is configured to start a hands-free disarm timer in response to receiving a door opening indication from the door sensor, and in the event that no RF signal including the registered portable authentication device identity and the disarm transmission identifier is received before the hands-free disarm timer expires, to transmit a signal to the disarm node to cause the disarm node to provide a user notification to the effect that the attempted hands-free disarm has failed; or the disarm node is configured to start its own hands-free disarm timer in response to receiving the wake up message from the central unit, and, in the event that the hands-free disarm timer of the disarm node expires without the disarm node having been informed by the central unit of a disarming of the security monitoring system, to provide a user notification to the effect that the attempted handsfree disarm has failed.